Lower Back Pain: Could It Be Cancer?
There are many causes for lower back pain, and cancer is a rare one. If you can’t explain lower back pain because of injury or aging, and especially if you have a history of cancer, consult your doctor.
Lower back pain is a common occurrence and rarely a sign of cancer. However, it’s possible to have lower back pain related to cancers such as spinal, colorectal, or ovarian cancer. A person with these cancer types will usually have other symptoms in addition to lower back pain.
An estimated 80 percent of people in the United States have dealt with lower back pain in their lifetimes, according to the National Institutes of Health . Common lower back pain causes include injury from heavy lifting, age-related spinal changes, and injuries such as a fall or car accident.
Cancer is a rare but possible cause of lower back pain in some people. Lower back pain related to cancer is more likely related to a tumor in a surrounding area (such as the colon) than cancer in the back itself.
Back pain that could be a sign of cancer usually occurs along with other cancer symptoms. Sometimes, you may pass these off as being due to another condition when they are related to cancer.
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Examples of these symptoms include:
- back pain that doesn’t seem to be related to movement or doesn’t get worse with movement
- back pain that usually occurs at night or early in the morning and goes away or gets better during the day
- back pain that persists even after physical therapy or other treatments
- changes in your bowel habits, such as blood in your urine or stool
- sudden, unexplained weight loss
- unexplained fatigue
- weakness, tingling, or numbness in your arms or legs
Back pain doesn’t have to be severe to indicate cancer. It can range in severity.
Having a personal history of cancer along with these symptoms may also increase your risk. If you have back pain and are worried it’s due to cancer, consider your overall symptoms and talk to your doctor.
Several cancer types in and near the spine can cause lower back pain. These include:
Spinal tumor
A spinal tumor can grow in the spinal bone or in the protective membranes around the spinal cord. The spine is a common source for bone metastasis, where the cancer starts in one location and spreads to others.
Anywhere from 30 to 70 percent of people with cancer will have their cancer spread to the spine, according to the American Association of Neurological Surgeons (AANS).
Lung cancer
The AANS reports that lung cancer is one of the most common cancers that spreads to the spine. A lung tumor can also press on the spine, affecting nerve transmissions to the lower back.
A person with lung cancer may notice symptoms like easy fatigue, shortness of breath, and coughing up blood-tinged sputum in addition to lower back pain.
Breast cancer
Back pain is a rare but possible breast cancer symptom. Breast cancers do commonly metastasize to the back as well, according to the AANS.
Like lung cancers, some breast cancer tumors can press on nerves that also travel to the spine. This can cause pain.
Gastrointestinal tract
Cancers of the stomach, colon, and rectum can all cause lower back pain. This pain radiates from the cancer site to the lower back. A person with these cancer types may have other symptoms, such as sudden weight loss or blood in their stool.
Blood and tissue
Blood and tissue cancers such as multiple myeloma, lymphoma, and melanoma can all cause lower back pain.
Other cancer types
Other cancer types that can cause back pain include ovarian, kidney, thyroid, and prostate cancers.
